DE3710464C2 - - Google Patents

Info

Publication number
DE3710464C2
DE3710464C2 DE19873710464 DE3710464A DE3710464C2 DE 3710464 C2 DE3710464 C2 DE 3710464C2 DE 19873710464 DE19873710464 DE 19873710464 DE 3710464 A DE3710464 A DE 3710464A DE 3710464 C2 DE3710464 C2 DE 3710464C2
Authority
DE
Germany
Prior art keywords
speaker
sound
membrane
loudspeaker
reflector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE19873710464
Other languages
German (de)
English (en)
Other versions
DE3710464A1 (de
Inventor
Hirokazu Epsom Surrey Gb Negishi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE3710464A1 publication Critical patent/DE3710464A1/de
Application granted granted Critical
Publication of DE3710464C2 publication Critical patent/DE3710464C2/de
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
DE19873710464 1986-04-01 1987-03-30 Schallabstrahlungssystem Granted DE3710464A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61075144A JP2823157B2 (ja) 1986-04-01 1986-04-01 オーデイオ出力システム

Publications (2)

Publication Number Publication Date
DE3710464A1 DE3710464A1 (de) 1987-10-15
DE3710464C2 true DE3710464C2 (fr) 1992-11-05

Family

ID=13567708

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873710464 Granted DE3710464A1 (de) 1986-04-01 1987-03-30 Schallabstrahlungssystem

Country Status (3)

Country Link
JP (1) JP2823157B2 (fr)
DE (1) DE3710464A1 (fr)
GB (1) GB2188811B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9205731U1 (fr) * 1992-04-29 1992-08-20 Schoor, Bodo, 3404 Adelebsen, De

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2213677A (en) * 1987-12-09 1989-08-16 Canon Kk Sound output system
US5144670A (en) * 1987-12-09 1992-09-01 Canon Kabushiki Kaisha Sound output system
JPH0282189U (fr) * 1988-12-05 1990-06-25
JPH02237297A (ja) * 1989-03-10 1990-09-19 Canon Inc オーディオ出力装置
JPH02237296A (ja) * 1989-03-10 1990-09-19 Canon Inc オーディオ出力装置
GB2230408A (en) * 1989-03-17 1990-10-17 Dimitris Lioupis Loudspeakers
JP2771003B2 (ja) * 1990-01-23 1998-07-02 キヤノン株式会社 オーディオ・ミラー・スピーカ
NL9000670A (nl) * 1990-03-22 1991-10-16 Hendrik Vastenhoud Inrichting voor geluidsweergave.
AU8723991A (en) * 1990-10-17 1992-05-20 Canon Research Centre Europe Ltd Sound output device
GB2248996A (en) * 1990-10-17 1992-04-22 Canon Res Ct Europe Ltd Speaker assembly
GB2256773A (en) * 1991-06-12 1992-12-16 Canon Res Ct Europe Ltd Loudspeaker uinit
GB2269959B (en) * 1992-08-19 1996-03-06 Canon Audio Ltd Sound output
JP3358836B2 (ja) * 1992-12-25 2002-12-24 株式会社東芝 反射型スピーカシステム
DE4440583C2 (de) * 1994-11-14 2002-02-28 Albert Baur Lautsprecher-Leuchten-Kombination
GB2305062B (en) * 1995-09-06 2000-03-22 Thomas Davies Richard John Double accoustic deflector
US20030219133A1 (en) 2001-10-24 2003-11-27 Acentech, Inc. Sound masking system
DE102021003110A1 (de) 2021-06-17 2023-01-05 Thilo Hinterberger Lautsprecherdesign mit Reflektoren zur verbesserten Teilraumbeschallung bei Mehrwege-Lautsprecherboxen

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR605534A (fr) * 1924-11-25 1926-05-28
GB441061A (en) * 1934-07-04 1936-01-06 Robert Rodger Glen Improvements in or relating to loudspeakers and the like
US2096192A (en) * 1937-07-01 1937-10-19 Aston L Moore Loudspeaker unit
GB653263A (en) * 1947-10-30 1951-05-09 C M C Switchmatic Ltd Improvements in mountings for loudspeakers
NL191082B (nl) * 1953-10-02 Mirowski Mieczyslaw Implanteerbaar automatisch cardioverter/defibrillatorstelsel.
GB928377A (en) * 1959-01-27 1963-06-12 Philips Electrical Ind Ltd Improvements in or relating to sound reproducing devices comprising the combination of a conical loudspeaker and a reflector
FR1227457A (fr) * 1959-03-07 1960-08-22 Perfectionnements apportés aux émetteurs de son comportant une source acoustique et un réflecteur
DE2236374C3 (de) * 1972-07-25 1975-01-16 Josef Wilhelm 8725 Arnstein Manger Elektroakustisches Wandlersystem
US3819005A (en) * 1973-01-22 1974-06-25 J Westlund Loudspeaker cabinet with sound reflectors
JPS5216202Y2 (fr) * 1974-09-05 1977-04-12
JPS5143805U (fr) * 1974-09-30 1976-03-31
JPS54130015A (en) * 1977-12-05 1979-10-09 Bii Sumisu Roido Loudspeaker system
JPS603277B2 (ja) * 1978-06-15 1985-01-26 ソニー株式会社 スピーカ装置
GB2107956A (en) * 1981-10-20 1983-05-05 Norman Dusanek Woofer loudspeaker
JPS59121991U (ja) * 1983-02-03 1984-08-16 パイオニア株式会社 無指向性スピ−カシステム
US4530077A (en) * 1983-05-19 1985-07-16 Xecutek Corporation Efficient low cost transducer system
JPS60199296A (ja) * 1984-03-23 1985-10-08 Mitsubishi Electric Corp スピ−カ−装置
DE8511970U1 (de) * 1985-04-23 1985-06-20 Geier, Dieter Lautsprecherbox
JPS61264896A (ja) * 1985-05-20 1986-11-22 Mitsubishi Electric Corp 反射形スピ−カシステム
DE8529497U1 (de) * 1985-10-17 1985-12-05 Nehring, Alejandro, 5401 Dörth Lautsprecherbox

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9205731U1 (fr) * 1992-04-29 1992-08-20 Schoor, Bodo, 3404 Adelebsen, De

Also Published As

Publication number Publication date
GB2188811A (en) 1987-10-07
GB2188811B (en) 1990-12-12
DE3710464A1 (de) 1987-10-15
GB8707400D0 (en) 1987-04-29
JPS62232297A (ja) 1987-10-12
JP2823157B2 (ja) 1998-11-11

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8128 New person/name/address of the agent

Representative=s name: TIEDTKE, H., DIPL.-ING. BUEHLING, G., DIPL.-CHEM.

D2 Grant after examination
8364 No opposition during term of opposition